If in a sale, the discount given on a saree is equal to one-fourth of the marked price and the loss due to this discount is 15%, then the ratio of the cost price to the selling price is-

If a number multiplied by 25 % of itself gives a number which is 200% more than the number, then 25% of the number is -

If A: B = 2: 3, B: C = 6: 11 then what is the value of C: B: A?

Find the difference of CI and SI on a sum of Rs. 30240 invested for 3 years at rate of interest per annum.

Solve the following equation 24 + 4 ÷ 4

The bar graph shows the number of painting sold an art gallery in each month from January to June.

 How many paintings does it need to sell in July for the 7 month average to be 90?

In bag there are coins of 25 paisa, 50 paisa and 1 rupee in the ratio of 3 : 4 : 5. If there are in all Rs.31, then how many 1 rupee coins are there in the bag?

The slant height of a right circular cone is 15 m and its height is 9 m. The area of its curved surface, is: